For any vehicle, periodic maintenance is very important to ensure that it keeps running. Looking after your car does not mean just changing the gas regularly and checking the tires for pressure. You have to make sure that its different parts are working properly. With most cars, the devices that are most usually forgotten in terms of maintenance are the spark plugs. nnMost of the 2007 Chevy Cobalt cars that have developed snags are because their spark plugs were not replaced at the right time. The 2007 Chevy Cobalt spark plugs, like those of any other cars, need periodic replacement. Here are some points that you need to remember.nnMost 2007 Chevy Cobalt spark plugs are good for 20,000 miles, but you have to become cautious after your car has plied 10,000 miles. This applies if you are a frequent driver. You need to replace your spark plug ideally after every 10,000 miles and certainly after every 20,000 miles if you didn’t do it earlier. nnIt is suggested to remember replacing the spark plugs of the 2007 Chevy Cobalt each year if you think you won’t make it to the 10,000 miles with that period. nnReplacing the 2007 Chevy Cobalt spark plugs is not as difficult as it seems. If you do general maintenance of your car yourself, then this could be a cakewalk for you. You have to first switch off the engine and allow it to cool, because if you reach out below the engine while it is still hot, you stand the severe risk of burning yourself. So, allow the car to cool and then reach out under it. You must wear protective hand and eye gear when doing any such kind of maintenance of your car.nnLet’s see where the spark plugs are. If you look under your car, you should see four wires together, that lead to the center of the car to the top of the engine. These wires are flatly laid out and are easy to recognize. It is advisable to tape some different colors on these wires to make it easier for you to know where these wires should lead to before you remove them. This is not hard to do. Beneath the four wires you have just removed, there should be the spark plug.nnTwisting and pulling the 2007 Chevy Cobalt spark plug like a light bulb is the correct way of removing it from its socket. Just like that. After that, replace it with a fresh one. You should be sure that the region around the spark plug is not *****. If so, make it clean first, before inserting the new plug.nnThough the replacement of the 2007 Chevy Cobalt spark plugs is a very easy task, you must refrain from doing it yourself if you do not have experience with such matters. A vehicle mechanic will do it for you and you can ensure that it is done in a safe manner.